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Related Experiment Videos

The morphogenetic code and colon cancer development.

Gijs R van den Brink1, G Johan Offerhaus

  • 1Department of Gastroenterology and Hepatology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands. g.r.van_den_brink@lumc.nl

Cancer Cell
|February 13, 2007
PubMed
Summary
This summary is machine-generated.

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Identifying cancer-causing mutations is challenging. Inherited cancer syndromes reveal that disruptions in morphogenetic signaling pathways can initiate tumorigenesis by allowing cancer stem cells to override normal cellular controls.

Area of Science:

  • Oncology
  • Developmental Biology
  • Genetics

Background:

  • Sporadic cancer-initiating genetic lesions remain largely unidentified.
  • Inherited cancer syndromes offer insights into mutations driving tumorigenesis.
  • Many initiating mutations impact genes within morphogenetic signaling pathways.

Purpose of the Study:

  • To review evidence linking extrinsic cellular information to cancer initiation.
  • To explore how cancer stem cells disrupt normal cellular fate regulation.
  • To understand the nonautonomous nature of epithelial cell fate.

Main Methods:

  • Literature review of genetic lesions in sporadic and inherited cancers.
  • Analysis of evidence for nonautonomous cellular fate in adult epithelia.

Related Experiment Videos

  • Examination of cancer stem cell behavior in relation to extrinsic restraints.

    • Main Results:

    • Inherited cancer syndromes have identified key initiating mutations.
    • Morphogenetic signaling pathways are frequently affected by these mutations.
    • Adult epithelial cell fate is nonautonomous, relying on extrinsic cues similar to embryonic development.

    Conclusions:

    • Cancer stem cells achieve proliferative advantage by overriding extrinsic cellular restraints.
    • Understanding these extrinsic controls is crucial for cancer research.
    • Disruptions in morphogenetic pathways are critical for cancer initiation.